Prone bone

Description: Flat rear entry: the receiving partner lies fully prone, face down with legs extended and hips against the surface or lifted slightly, while the penetrating partner lowers into a plank above and enters from behind. Weight settles through the receiving partner's pelvis, so thrust travels a shallow, near-horizontal line, and the flattened hips give a tighter angle than kneeling rear entry. The flattened form of doggy style, it anchors the prone rear-entry family.

Variations: A pillow under the hips steepens the entry angle; the receiving partner's legs stay pressed together or spread. The arrangement serves vaginal and anal penetration.

On camera: Rear and overhead framings are standard, with side profile as the alternative; the stacked prone bodies form the characteristic silhouette.

AI design considerations: Render two prone figures layered with only a small vertical offset; limb spread is minimal and occlusion strong, so hip registration and a clean lower-figure outline carry the pose.